86 
Colorado Agricultural College 
INDEX 
Abutilon 20. 5 7 
ahutilon 5 7 
theophrasti 57 
Achillea 20 
millefolium 75 
Agropyron .... 20, 22, 31 
repens 31 
tenerum 31 
Agrostemma . . 20, 43, 44 
githago 21, 41 
Alfalfa 53 
ALSINACEAE 42 
A Isine 
media 42 
Amaranth 
Family 10 
AMARANTHACEAE. .40 
Amaranthus 40, 20 
blitoicles 40, 41 
graecizans 41, 40 
retroflexus .... 41, 40 
AMBROSIACEAE . . 70 
Ambrosia 2 0, 70 
art.emisaefolia .... 71 
elatior 7 1 
trifida 71 
Andropogon . . 20, 22, 28 
furcatus 28 
scoparius 28 
Annual 21 
SOW-THTSTI.F 21 
Sweet clover .... '54 
Anthemis 20 
cotula 78 
Apetalous Pepper 
GRASS 48 
Argemone 20, 4G 
intermedia 40 
Aristida .... 20, 22, 26 
longiseta 26 
Arkansas Rose .... 51 
Artemisia 
frigida 77 
ARTICHOKE 
Ground 77 
ASCLEPIADACEAE ..60 
Asclepias 20, 60 
speciosa 60 
verticillata 
Atriplex .... 20, 38, 39 
hastata 39 
semibaccata 39 
A vena 20, 22. 28 
fatua 21, 28 
Avens 52 
IjARGe-leaved 52 
Barley 27, 33 
Little 2 7 
Wild 2 7 
Barnyard Grass .... 24 
Beaked Nightshade. . 67 
Beard Grass 2 7 
Broom. 2 8 
Forked 2 8 
Bedstraw 
Northern 69 
Bee Flower 50 
Bee Plant 
Rocky Mountain ..51 
Beggars-ticks .... 73, 74 
Bidens 20 
frondosa 74 
Big Bluestem 28 
Bird Seed 48 
Bittersweet 60 
Bitter-weed 71 
Black 21, 47 
Medick 54 
Mustard 21, 47 
Nightshade 66 
Bladder Campion .... 44 
Blazing Star 73 
Blow-ball 81 
Blue 
Lettuce 80 
Vervain 63 
Bluestem 28 
Big 28 
Little 2 8 
Borage Family 61 
BORAGINACEAE 61 
Bouncing Bet 43 
Bozzi.eweed 71 
Bracted plantain ... 21 
Brassica 20, 46 
alba 21 
arvensis 21 
juncea 21 
nigra 21 
BRA SSI C ACPI A E 46 
Bread-root 53 
Broad-leaved T’lan- 
TATN 6 9 
Brome Grass 2 9 
Downy 30 
Bromus 20, 22, 27 
secallmis .... 21, 29, 30 
tectorum 29, 30 
Broom Beard Grass.. 28 
Buckhorn Plantain 21,69 
Buckwheat 34 
Family 34 
Wild 21 , 36 
Buffalo Bur 6 7 
Bugle Weed 64 
Bulbous Buttercup ..45 
Bull Thistle 70 
Bur 21 
Buffalo 67 
Grass 21 
Ragweed 70 
Thistle 76 
Burseed 62 
Burning Bush 38 
Bursa 20, 46, 50 
bursa pastoris .... 50 
Butter-and-Eggs .... 67 
Buttercup 45 
Bulbous 45 
Meadow 45 
Tall 45 
Butterfly- WEED .... 59 
Scarlet 59 
Small -FLOWERED . . 59 
Button Snakeroot 
Dotted 73 
CACTACEAE 58 
Cactus Family .... 58 
Camel ina 20 
sativa 40 
Campton 43 . 44 
Bladder 44 
Canada Thistle .... 21 
Caper Family 50 
CAPPARIDACEAE . . 50 
Cap sella 50 
hursa-pastoris .... 50 
CARDUACEAE 72 
Carduus 20 
arvensis 21 , 75 
discolor 75 
fdipendulus 75 
lanceolatus 75 
Carex 20, 33 
Carpet Weed 56 
Carpenter Weed .... 65 
CARYOITTYT.DACEAE 4.3 
Cat-mint 65 
Catnip 65 
CATCHFT.Y 4 3 
Night-flowering . . 44 
Sleepy 43 
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